Politics and Business magazines
- TearDrop Golf Company
- TechBooks Inc.
- TECHNE Corporation
- Technical Olympic USA, Inc.
- Technip
- Technitrol, Inc.
- Techtronic Industries Company Ltd.
- Teck Corporation
- TECO Energy, Inc.
- Ted Baker plc
- Tee Vee Toons, Inc.
- Tejon Ranch Company
- Tekelec
- Telcordia Technologies, Inc.
- Tele Norte Leste Participaç
- Tele-Communications, Inc.
- Telecom Argentina S.A
- Telecom Australia
- Telecom Corporation of New Zealand Limited
- Telecom Eireann